ul{
    display: flex;
    height: .8rem;
    overflow: auto;
    background: white;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 100;
    li{
        list-style: none;
        line-height: .8rem;
        padding: 0 0.2rem;
        flex-shrink: 0;
        font-size: 0.24rem;
        letter-spacing: 0.02rem;
    }
    .active{
        font-weight: 600;
        border-bottom: 0.04rem solid #333333;
    }
}